How Often Did the Athenian Dicasteria Meet

I FOURTH-CENTURY ATHENS the three principal bodies of government were the ecclesia, the boule and the dicasteria. The ecclesia was convoked forty times in a year l and the boule met every day except on ~,.dpat acp€CLp.m comprising annual festival days, and probably ~fL€paL a:7Tocppa8Ec. 2 But how often did the dicasteria meet? The only direct evidence bearing on this question is the famous passage from Aristophanes' Wasps in which Bdelycleon explains to his father that only a fraction of the revenue is paid out to the dicasts as fLLC8oc, whereas the young, smart politicians keep the lion's share (660-63).